Planet Gl 725 Bc

Detailed information about planet Gl 725 Bc and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
Gl 725 Bc
Planet Status
Confirmed
Discovered in
2025
Publication
Status
—
Update
2026-08-21
Mass
—
Mass*sin(i)
0.0107 ( ± 0.0022 ) MJ
Semi-Major Axis
0.139 ( ± 0.004 ) AU
Orbital Period
37.9 ( ± 0.17 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
GJ 725B c
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

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Star

Name
Gl 725 B
Distance
3.5214 ( ± 0.00078 ) pc
Spectral type
M3.5V
Apparent magnitude V
9.78
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.25 ( ± 0.02 ) MSun
Age
8.7 ( ± 2.1 ) Gyr
Effective temperature
3739.0 ( ± 31.0 ) K
Radius
0.28 ( ± 0.005 ) RSun
Metallicity [Fe/H]
-0.3 ( ± 0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
18:42:46.9
Dec2000
+59:37:36.7
Alternate Names
STF 2398 B, HD 173740

Secondary component of a binary system composed of nearly equal stars separated by 63 AUs and tracing an eccentric orbit (e = 0.44).

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